Comp5_Unit7_lecture_2

Visual Acuity, right eye: 20/ _____ Visual Acuity, left eye: 20/ _____ Your friend swears that no one can possibly have better than 20/20 vision. Use what you have learned about the Snellen eye examination chart and what numbers such as 20/20 really mean to set him/her straight. ACTIVITY 2: Astigmatism . Is astigmatism present in your right eye? ................
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